﻿using System;
using System.ServiceModel;
namespace Shipping
{
    [ServiceContract]
    public interface IShip
    {
        [OperationContract]
        string ShipOrder(int po);
    }

    public class ShippingService : IShip
    {

        public string ShipOrder(int po)
        {
            return DateTime.Now.Ticks.ToString("X");
        }
    }
}
